two of the lights in the hall of a hotel are flickering. one of them flickers every 9 seconds and the other light flickers every 11 seconds. They flickered together at 7 30 pm. when will the lights flicker together again?
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Answer:
As we have to find out the LCM of the 7 and 8
7*8=56
at 56 seconds they will flicker again
Step-by-step explanation:
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